mongoc_database_t *

       MongoDB, Inc

       2009-present, MongoDB, Inc.

1.30.4                                            Jun 08, 2025             MONGOC_CLIENT_GET_DEFAULT_DATABASE(3)

       Default Database Example

          /* default database is "db_name" */
          mongoc_client_t *client = mongoc_client_new ("mongodb://host/db_name");
          mongoc_database_t *db = mongoc_client_get_default_database (client);

          assert (!strcmp ("db_name", mongoc_database_get_name (db)));

          mongoc_database_destroy (db);
          mongoc_client_destroy (client);

          /* no default database */
          client = mongoc_client_new ("mongodb://host/");
          db = mongoc_client_get_default_database (client);

          assert (!db);

          mongoc_client_destroy (client);

       • client: A mongoc_client_t.

       A newly allocated mongoc_database_t that should be freed with mongoc_database_destroy().

          mongoc_database_t *
          mongoc_client_get_default_database (mongoc_client_t *client);

       Get the database named in the MongoDB connection URI, or NULL if the URI specifies none.

       Useful when you want to choose which database to use based only on the URI in a configuration file.